/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseBehaviors/AnyButtonInputBehavior.h
current 3D world ray and optional 2D position for Target Device
virtual [FInputDeviceRay](API\Runtime\InteractiveToolsFramework\FInputDeviceRay) GetDeviceRay ( const [FInputDeviceState](API\Runtime\InteractiveToolsFramework\FInputDeviceState) & input )